A few days ago Mojang released version 1.8.8 to fix a few bugs and security issues. Spigot and CraftBukkit versions have now also been released. Find them in the MOD pack list.
More details about the release can be found here:https://mojang.com/2015/07/minecraft-1-8-8-release/You do not need to update your client to use this new version.
Friday, July 31, 2015